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| 1. |
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 F capacitor, and a 120 resistor. The winding resistance of the coil is 12 . The output voltage is taken off the resistor. Input voltage is 12 V rms . What is the output voltage magnitude at the center frequency ( f 0 )? |
| A. | 10.9 V |
| B. | 1.09 V |
| C. | 1.1 V |
| D. | 12 V |
| Answer» B. 1.09 V | |